Chaldene (moon)
IFA Hawaii
Chaldene ( Jupiter XXI) is one of the smaller outer moons of Jupiter.
Discovery
Chaldene was discovered on 26 November 2000 by astronomers at the University of Hawaii. He first received the provisional designation S/2000 J 10
It was named after the moon Chaldene, a lover of Zeus in Greek mythology.
Path data
Chaldene orbits Jupiter at an average distance of 23.1 million kilometers in 723 days, 16 hours and 48 minutes. The track has an eccentricity of 0.2590. With an inclination of 165.191 ° the web is retrograde, that is, the moon moves against the direction of rotation of Jupiter around the planet.
Because of their web properties is Chaldene the Carme group, named after Jupiter's moon Carme assigned.
Physical data
Chaldene has a diameter of about 3.8 km. Its density is estimated to be 2.6 g / cm ³. He is probably made up predominantly of silicate rock. Chaldene has a very dark surface with an albedo of 0.04, which means that only 4% of the incident sunlight is reflected. Its apparent magnitude is 22.5 m.